package com.atguigu.springcloud.service;

import cn.hutool.core.util.IdUtil;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixProperty;
import org.springframework.stereotype.Service;
import org.springframework.web.bind.annotation.PathVariable;

import java.util.concurrent.TimeUnit;

/**
 * @author lzw
 * @version 1.0
 * @date 2024/3/28 23:24
 */
@Service
public class PaymentService {

    public String paymentInfo_ok(Integer id) {
        return "线程池:   " + Thread.currentThread().getName() + "   paymentInfo_ok,id:   " + id + "\t" + "O(∩_∩)O哈哈~";
    }

    @HystrixCommand(fallbackMethod = "paymentInfo_timeOutHandler", commandProperties = {
            @HystrixProperty(name = "execution.isolation.thread.timeoutInMilliseconds", value = "5000")
    })
    public String paymentInfo_timeOut(Integer id) {
//        int x = 3/0;
        try {
            TimeUnit.MILLISECONDS.sleep(3000);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        return "线程池:   " + Thread.currentThread().getName()
                + "   paymentInfo_timeOut,id:   " + id + "\t" + "O(∩_∩)O哈哈~";
//                + "耗时" + timeNumber + "s";
    }

    public String paymentInfo_timeOutHandler(@PathVariable("id") Integer id) {
        return "线程池:   " + Thread.currentThread().getName()
                + "   8001系统忙，请稍后再试,id:   " + id + "\t" + "o(╥﹏╥)o";
    }

    // ========服务熔断
    @HystrixCommand(fallbackMethod = "paymentCircuitBreaker_fallback", commandProperties = {
            @HystrixProperty(name = "circuitBreaker.enabled", value = "true"),
            @HystrixProperty(name = "circuitBreaker.requestVolumeThreshold", value = "10"),
            @HystrixProperty(name = "circuitBreaker.sleepWindowInMilliseconds", value = "10000"),
            @HystrixProperty(name = "circuitBreaker.errorThresholdPercentage", value = "60"),
    })
    public String paymentCircuitBreaker(@PathVariable("id") Integer id) {
        if (id < 0) {
            throw new RuntimeException("******** id 不能为负数");
        }
        String serialNumber = IdUtil.simpleUUID();
        return Thread.currentThread().getName() + "\t 调用成功，流水号：" + serialNumber;
    }

    public String paymentCircuitBreaker_fallback(@PathVariable("id") Integer id) {

        return "id不能为负，请稍后再试o(╥﹏╥)o~~~id:" + id;
    }
}
